1678230 has 48 divisors (see below), whose sum is σ = 4520880. Its totient is φ = 431424.

The previous prime is 1678219. The next prime is 1678231. The reversal of 1678230 is 328761.

It is a junction number, because it is equal to n+sod(n) for n = 1678194 and 1678203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1678231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2289 + ... + 2931.

It is an arithmetic number, because the mean of its divisors is an integer number (94185).

2^1678230 is an apocalyptic number.

1678230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1678230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2260440).

1678230 is an abundant number, since it is smaller than the sum of its proper divisors (2842650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1678230 is a wasteful number, since it uses less digits than its factorization.

1678230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1678230 is about 1295.4651674206. The cubic root of 1678230 is about 118.8366754092.

The spelling of 1678230 in words is "one million, six hundred seventy-eight thousand, two hundred thirty".